ess mini (2 gm), quartz shear icp® accel., 10 mv/g, 2 to 10k hz, 10-32 top conn., 5-40 mtg stud, to +325 f/+163 c

Accelerometer, ICP®

Model 320C18

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ESS mini (2 gm), quartz shear ICP® accel., 10 mV/g, 2 to 10k Hz, 10-32 top conn., 5-40 mtg stud, to +325 F/+163 C

  • Sensitivity: (±10%)10 mV/g (1.02 mV/(m/s²))
  • Measurement Range: ±500 g pk (±4900 m/s² pk)
  • Broadband Resolution: 0.005 g rms (0.05 m/s² rms)
  • Frequency Range: (±5%)1.0 to 10000 Hz
  • Sensing Element: Quartz
  • Weight: 0.06 oz (1.7 gm)

Specification Notes

[1] Zero-based, least-squares, straight line method.
[2] Typical.
[3] Transverse sensitivity is typically ≤ 3%.
[2] Typical.
[4] See PCB Declaration of Conformance PS023 for details.

English: SI:
Performance
Sensitivity (±10 %) 10 mV/g 1.02 mV/(m/s²)
Measurement Range ±500 g pk ±4900 m/s² pk
Frequency Range (±5 %) 1.0 to 10000 Hz 1.0 to 10000 Hz
Frequency Range (±10 %) 0.7 to 18000 Hz 0.7 to 18000 Hz
Frequency Range (±3 dB) 0.35 to 30000 Hz 0.35 to 30000 Hz
Resonant Frequency ≥60 kHz ≥60 kHz
Broadband Resolution (1) 0.005 g rms 0.05 m/s² rms [2]
Non-Linearity ≤1 % ≤1 % [1]
Transverse Sensitivity ≤5 % ≤5 % [3]
Environmental
Overload Limit (Shock) ±10000 g pk ±98100 m/s² pk
Temperature Range (Operating) -100 to +325 °F -73 to +163 °C
Temperature Response See Graph See Graph [2]
Base Strain Sensitivity ≤0.0005 g/µε ≤0.005 (m/s²)/µε [2]
Electrical
Excitation Voltage 18 to 30 VDC 18 to 30 VDC
Constant Current Excitation 2 to 20 mA 2 to 20 mA
Output Impedance ≤100 Ohm ≤100 Ohm
Output Bias Voltage 8 to 12 VDC 8 to 12 VDC
Discharge Time Constant 0.25 to 2.0 sec 0.25 to 2.0 sec
Settling Time (within 10% of bias) <5 sec <5 sec
Spectral Noise (1 Hz) 2800 µg/√Hz 27468 (µm/sec2)/√Hz [2]
Spectral Noise (10 Hz) 700 µg/√Hz 6867 (µm/sec2)/√Hz [2]
Spectral Noise (100 Hz) 180 µg/√Hz 1766 (µm/sec2)/√Hz [2]
Spectral Noise (1 kHz) 64 µg/√Hz 628 (µm/sec2)/√Hz [2]
Physical
Size - Height 0.74 in 18.8 mm
Size - Hex 9/32 in 9/32 in
Weight 0.06 oz 1.7 gm [2]
Sensing Element Quartz Quartz
Sensing Geometry Shear Shear
Housing Material Titanium Titanium
Sealing Hermetic Hermetic
Electrical Connector 10-32 Coaxial Jack 10-32 Coaxial Jack
Electrical Connection Position Top Top
Mounting Thread 5-40 Male 5-40 Male
Mounting Torque 8 to 12 in-lb 90 to 135 N-cm

* All specifications are at room temperature unless otherwise specified.

TempChart

Accessories
Supplied
080A109 Petro Wax, one square, 1" x 1" x 0.25" 1
080A15 Adhesive mtg base, 0.312" hex x 0.125" thk, 5-40 tapped hole, aluminum w/isolation hardcoat finish 1
ACS-1 Single axis amplitude response calibration from 10 Hz to upper 5% frequency, NIST traceable 1

Optional Versions

(A) Adhesive Mount
Accessories:
Supplied 080A90 Quick Bonding Gel 1

(J) Ground Isolated

English SI
Electrical Isolation ≥100000000 Ohm
Size - Height 0.72 in 18.3 mm
Resonant Frequency 50 kHz
Size - Hex 3/8 in
Frequency Range 0.35 to 25000 Hz
Weight 0.10 oz 3.0 gm
Frequency Range 1.0 to 8000 Hz
Frequency Range 0.7 to 12000 Hz

(M) Metric Mount

English SI
Mounting Thread M3x0.50 Male

(W) Water Resistant Cable

English SI
Electrical Connection Position Top